JEL-400 series ultrasonic qib ntsuas yog qhov tsis sib cuag, tus nqi qis thiab yooj yim rau nruab qib ntsuas.Nws siv cov thev naus laus zis thev naus laus zis thev naus laus zis rau kev lag luam ua neej nyob.Tsis zoo li cov ntsuas qib zoo tib yam, ntsuas qib ultrasonic muaj kev txwv ntau dua.Cov khoom yog ruaj thiab ruaj, yooj yim hauv tsos, ib leeg thiab txhim khu kev qha hauv kev ua haujlwm.